Thompson, W. R. (1936). Moisture & farming in South Africa. Central News Agency.
Lua i Stíl Chicago (17ú heag.)Thompson, William Roland. Moisture & Farming in South Africa. [Johannesburg] South Africa: Central News Agency, 1936.
Lua MLA (8ú heag.)Thompson, William Roland. Moisture & Farming in South Africa. Central News Agency, 1936.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.